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Finding the Fourth Proportional to 111,348.36, 167,022.54 and 91,566.95

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Solution

The fourth proportional to 111,348.36, 167,022.54 and 91,566.95 is: 137,350.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,348.36 : 167,022.54 = 91,566.95 : x
  2. Step 2: Convert to fraction form
    111,348.36/167,022.54 = 91,566.95/x
  3. Step 3: Cross multiply
    111,348.36x = 167,022.54 × 91,566.95
  4. Step 4: Simplify right side
    111,348.36x = 15,293,743,733.94
  5. Step 5: Solve for x
    x = 15,293,743,733.94/111,348.36
  6. Step 6: Final answer
    x = 137,350.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.